Patent US3261784A successfully refreshed from Google Patents.
Patent DE8015C successfully refreshed from Google Patents.
DE8015C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
ELECTRIC IGNITION DEVICE ON HYDROGEN GAS LIGHTERS
Assignee: Individual
•
Filing: 1879-05-22
•
Granted: 1880-01-10
•
Expires: 1899-05-22
Abstract
No abstract record available.
Inventors
- 👤 Hermann Schröter
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 15:05
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.